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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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    <script>
        var num=10;
        //判断是奇数还是偶数
        if(num%2===0){
            console.log("偶数");
        }else{
            confirm.log("奇数");
        }
       //三目运算符

       var num2=11;
       var num3=9;
       num2 % 2===0?console.log("偶数"):console.log("奇数");
      
       var val=num3 % 2===0?"偶数":"奇数";
       console.log(val);

    </script>
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